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【多选题】
通常情况下,下列是WINDOWS系统硬盘分区盘符的为A.
B:
B.
SYS
C.
C:
D.
E:
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皮皮学刷刷变学霸
举一反三
【单选题】What is the main idea of the last paragraph?
A.
Modern discoveries are the same as Darwin's.
B.
Fossils are also very important in modern research.
C.
Modern technology proves that Darwin was not quite fight.
D.
Modern research is more advanced than Darwin's in many ways.
【简答题】阅读下列解方程组的方法，然后回答问题． 解方程组 19x+18y=17 ① 17x+16y=15 ② 由①-②得2x+2y=2 即x+y=1 ③×16得16x+16y=16 ④ ②-④得x=-1，从而可得y=2 ∴原方程组的解是 x=-1 y=2 ． （1）请你仿上面的解法解方程组 2012x+2011y=2010 2010x+2009y=2008 ； （2）请大胆猜测关于x、y的方程组 (...
【简答题】直接写出下面各题的得数． 1 5 + 1 6 = 1 5 - 1 6 = 1 6 + 1 7 = 1 6 - 1 7 = 1 7 + 1 8 = 1 7 - 1 8 = 1 8 + 1 9 = 1 8 - 1 9 =
【简答题】How many inventions and discoveries made by man are mentioned in the passage?
【简答题】如图，已知∠A=∠B，AA 1 ，BB 1 ，PP 1 均垂直于A 1 B 1 ，AA 1 =17，PP 1 =16，BB 1 =20，A 1 B 1 =12 则AP+PB=（ ）。
【简答题】(4+ 1 5 + 1 6 + 1 7 )×( 1 5 + 1 6 + 1 7 + 1 8 )-(4+ 1 5 + 1 6 + 1 7 + 1 8 )×( 1 5 + 1 6 + 1 7 ) ．
【简答题】直接写出得数． 1- 1 2 = 3.2+1.78= 3 5 - 1 6 = 1 3 + 1 2 = 1 6 + 1 7 + 1 5 = 0.48÷120= 1.01×99= 1 7 + 6 7 = 2 3 + 1 6 = 1 6 + 1 2 - 1 6 =
【单选题】把 1 6 、 1 9 、 1 8 、 1 7 按从大到小的顺序排列是（ ）
A.
1 6 ＞ 1 9 ＞ 1 7 ＞ 1 8
B.
1 8 ＞ 1 6 ＞ 1 7 ＞ 1 9
C.
1 6 ＞ 1 7 ＞ 1 8 ＞ 1 9
D.
1 9 ＞ 1 7 ＞ 1 8 ＞ 1 6
【单选题】Many important scientific discoveries are in fact ______ones as they were made by chance.
A.
relative
B.
temporary
C.
subordinate
D.
accidental
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